[Fot] mixed tire sizes

[Scott Janzen]

my experience with the GT6 is that the front tires do much more work than the rears in many respects.  They wear faster, get hotter, need lower tire pressures to start to be equal at the end of the session with the rears.
I don’t see any benefit to running wider tires just in the rear - this car is nose heavy and the front brakes do most of the work.  I’d get the front fenders worked a bit to accommodate the larger tires - I found the same thing, that the R888Rs are slightly bigger than the old Toyos, and had to get a little clearance work done.
I think you are short changing yourself with the 185s.  You’ll find that the car will understeer more.  Not that larger tires in the rear will hurt you, but smaller tires in the front will hurt.  If you correct for it so the car is balanced, my guess is the car will be slower overall.

Just my 2 cents.


On Aug 27, 2019, at 9:30 PM, Brian Schirano via Fot <fot at autox.team.net> wrote:

Thanks, will do a couple experiments. I'm bringing full sets of both sizes, and if I can find the room I have a set of Hoosier TDs, that would be three sets of tires, A bit overkill, just trying to use up the 205s

Thanls
B

On Tue, Aug 27, 2019 at 4:39 PM Kas Kastner <kaskastner at gmail.com <mailto:kaskastner at gmail.com>> wrote:
This will work, but suggest reducing rear camber as the bigger tires (wider) will give more gip, thus more understeer. thsi is when the rear anti-roll bar comes into play.
Never be beaten by equipment.

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